公司计划修建一条铁路,当完成任务的1/5时,公司才用新设备,修建速度提高60/100

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查看11 | 回复1 | 2011-5-23 21:05:38 | 显示全部楼层 |阅读模式
The company planned to build a railway, and the company did not introduceany new equipmentuntil the task of one fifth had been completed, which hightened the speed of construction by 60%.
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